WO2009079134A3 - Gamma ray tool response modeling - Google Patents
Gamma ray tool response modeling Download PDFInfo
- Publication number
- WO2009079134A3 WO2009079134A3 PCT/US2008/083600 US2008083600W WO2009079134A3 WO 2009079134 A3 WO2009079134 A3 WO 2009079134A3 US 2008083600 W US2008083600 W US 2008083600W WO 2009079134 A3 WO2009079134 A3 WO 2009079134A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detector
- gamma ray
- simulation
- tool
- function
- Prior art date
Links
- 230000005251 gamma ray Effects 0.000 title abstract 7
- 238000000034 method Methods 0.000 abstract 3
- 238000004088 simulation Methods 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 2
- 238000011835 investigation Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
- G01V5/06—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging for detecting naturally radioactive minerals
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- High Energy & Nuclear Physics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Radiation (AREA)
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/679,644 US8731888B2 (en) | 2007-12-19 | 2008-11-14 | Gamma ray tool response modeling |
AU2008338844A AU2008338844B2 (en) | 2007-12-19 | 2008-11-14 | Gamma ray tool response modeling |
RU2010129848/28A RU2475784C2 (en) | 2007-12-19 | 2008-11-14 | Simulation of gamma-ray logging probe characteristics |
BRPI0820898-0A BRPI0820898B1 (en) | 2007-12-19 | 2008-11-14 | METHODS AND SYSTEMS FOR MODELING OR SIMULATING ANSWER TO THE RANGE TOOL |
EP08862964.7A EP2238477A4 (en) | 2007-12-19 | 2008-11-14 | Gamma ray tool response modeling |
CA2703747A CA2703747C (en) | 2007-12-19 | 2008-11-14 | Gamma ray tool response modeling |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US818207P | 2007-12-19 | 2007-12-19 | |
US61/008,182 | 2007-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009079134A2 WO2009079134A2 (en) | 2009-06-25 |
WO2009079134A3 true WO2009079134A3 (en) | 2009-10-01 |
Family
ID=40796074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/083600 WO2009079134A2 (en) | 2007-12-19 | 2008-11-14 | Gamma ray tool response modeling |
Country Status (8)
Country | Link |
---|---|
US (1) | US8731888B2 (en) |
EP (1) | EP2238477A4 (en) |
AU (1) | AU2008338844B2 (en) |
BR (1) | BRPI0820898B1 (en) |
CA (1) | CA2703747C (en) |
MY (1) | MY165335A (en) |
RU (1) | RU2475784C2 (en) |
WO (1) | WO2009079134A2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8731888B2 (en) * | 2007-12-19 | 2014-05-20 | Exxonmobil Upstream Company | Gamma ray tool response modeling |
BRPI1012351B1 (en) * | 2009-02-16 | 2019-11-05 | Maersk Olie & Gas | method for predicting properties of an anisotropic formation in the earth's crust |
EP2433162A4 (en) * | 2009-05-22 | 2015-05-06 | Schlumberger Technology Bv | Optimization of neutron-gamma tools for inelastic gamma-ray logging |
EP2596386A4 (en) * | 2010-08-26 | 2017-09-13 | Smith International, Inc. | Method for measuring subterranean formation density using a neutron generator |
US8988461B1 (en) | 2011-01-18 | 2015-03-24 | Disney Enterprises, Inc. | 3D drawing and painting system with a 3D scalar field |
US9142056B1 (en) * | 2011-05-18 | 2015-09-22 | Disney Enterprises, Inc. | Mixed-order compositing for images having three-dimensional painting effects |
WO2013066682A1 (en) * | 2011-10-31 | 2013-05-10 | Schlumberger Canada Limited | Inversion-based workflow for processing nuclear density images in high-angle and horizontal wells |
US20150177409A1 (en) * | 2013-12-20 | 2015-06-25 | Visuray Intech Ltd (Bvi) | Methods and Means for Creating Three-Dimensional Borehole Image Data |
CN105319604B (en) * | 2014-08-04 | 2017-12-12 | 何乃祥 | A kind of volcanic rock layering mark determines new method |
US10209393B2 (en) * | 2015-01-23 | 2019-02-19 | Halliburton Energy Services, Inc. | Method to correct and pulsed neutron fan based interpretation for shale effects |
US11230913B2 (en) * | 2015-05-13 | 2022-01-25 | Conocophillips Company | Power loss dysfunction characterization |
CN107709702B (en) * | 2015-05-13 | 2021-09-03 | 科诺科菲利浦公司 | Method, system and apparatus for power loss fault characterization |
WO2017069865A1 (en) * | 2015-10-22 | 2017-04-27 | Halliburton Energy Services, Inc. | Api unit calibration of gamma ray logging tools using simulated data |
US10185052B2 (en) | 2016-12-19 | 2019-01-22 | Baker Hughes, A Ge Company, Llc | Constrained backscatter gamma ray casing and cement inspection tool |
CN109509397B (en) * | 2018-11-13 | 2020-10-13 | 浙江大学 | Data processing method for hypergravity geological structure physical simulation experiment |
US11815478B2 (en) | 2021-05-19 | 2023-11-14 | Halliburton Energy Services, Inc. | Through-tubing, cased-hole sealed material density evaluation using gamma ray measurements |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060131496A1 (en) * | 2002-12-31 | 2006-06-22 | Fitzgerald John B | Method and apparatus for monitoring deposition of solids in pipelines using a plurality of radiation sources pointing to a unique detector |
US20060208184A1 (en) * | 2005-03-21 | 2006-09-21 | Baker Hughes Incorporated | Method for determining shale bed boundaries and gamma ray activity with gamma ray instrument |
Family Cites Families (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4710906A (en) * | 1986-07-30 | 1987-12-01 | Nl Industries, Inc. | Method and system for monitoring the stability of boreholes |
US4916616A (en) * | 1986-12-08 | 1990-04-10 | Bp Exploration, Inc. | Self-consistent log interpretation method |
GB2207502B (en) * | 1986-12-25 | 1991-03-20 | Inst Gornogo Dela Imeni Skochi | Method of monitoring hidden coal-rock interface and transducer realizing this method |
US4817059A (en) * | 1987-06-26 | 1989-03-28 | Schlumberger Technology Corporation | Borehole logging methods for detection and imaging of formation structural features |
US5081611A (en) * | 1991-03-06 | 1992-01-14 | Schlumberger Technology Corporation | Methods for determining formation and borehole parameters via two-dimensional tomographic reconstruction of formation slowness |
US5334833A (en) * | 1991-06-14 | 1994-08-02 | Schlumberger Technology Corporation | Sensitivity function technique for modeling nuclear tools |
MY114398A (en) * | 1994-10-20 | 2002-10-31 | Shell Int Research | Nmr logging of natural gas in reservoirs |
US5536938A (en) * | 1995-02-22 | 1996-07-16 | Mobil Oil Corporation | Pulsed neutron decay logging |
US6147489A (en) * | 1997-04-09 | 2000-11-14 | Schlumberger Technology Corporation | Method and apparatus for measuring total nuclear magnetic resonance porosity |
US6069477A (en) * | 1997-09-05 | 2000-05-30 | Western Atlas International, Inc. | Method for improving the accuracy of NMR relaxation distribution analysis with two echo trains |
US5995906A (en) | 1997-10-03 | 1999-11-30 | Western Atlas International, Inc. | Method for reconciling data at seismic and well-log scales in 3-D earth modeling |
US6078867A (en) * | 1998-04-08 | 2000-06-20 | Schlumberger Technology Corporation | Method and apparatus for generation of 3D graphical borehole analysis |
US6476609B1 (en) * | 1999-01-28 | 2002-11-05 | Dresser Industries, Inc. | Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzone |
US6289283B1 (en) * | 1999-02-19 | 2001-09-11 | Schlumberger Technology Corporation | Downhole tool data correction method and apparatus |
US6173606B1 (en) | 1999-03-04 | 2001-01-16 | Titan Specialties, Ltd. | Logging tool for cement evaluation |
US6215120B1 (en) * | 1999-03-25 | 2001-04-10 | Halliburton Energy Services, Inc. | Method for determining symmetry and direction properties of azimuthal gamma ray distributions |
GB2354852B (en) | 1999-10-01 | 2001-11-28 | Schlumberger Holdings | Method for updating an earth model using measurements gathered during borehole construction |
US6646437B1 (en) * | 2000-04-07 | 2003-11-11 | Halliburton Energy Services, Inc. | System and method for clay typing using NMR-based porosity modeling |
US20020120429A1 (en) | 2000-12-08 | 2002-08-29 | Peter Ortoleva | Methods for modeling multi-dimensional domains using information theory to resolve gaps in data and in theories |
US6781115B2 (en) * | 2001-03-30 | 2004-08-24 | Schlumberger Technology Corporation | Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors |
US7032661B2 (en) | 2001-07-20 | 2006-04-25 | Baker Hughes Incorporated | Method and apparatus for combined NMR and formation testing for assessing relative permeability with formation testing and nuclear magnetic resonance testing |
US7114565B2 (en) * | 2002-07-30 | 2006-10-03 | Baker Hughes Incorporated | Measurement-while-drilling assembly using real-time toolface oriented measurements |
US7000700B2 (en) * | 2002-07-30 | 2006-02-21 | Baker Hughes Incorporated | Measurement-while-drilling assembly using real-time toolface oriented measurements |
GB2410336B (en) | 2002-09-27 | 2006-03-08 | Baker Hughes Inc | A method for resistivity anisotropy determination in conductive borehole environments |
US6675101B1 (en) | 2002-11-14 | 2004-01-06 | Schlumberger Technology Corporation | Method and system for supplying well log data to a customer |
ATE331870T1 (en) | 2002-12-31 | 2006-07-15 | Schlumberger Services Petrol | METHOD AND DEVICE FOR DELAYED CAUSE AND EFFECT ANALYSIS |
US6885942B2 (en) | 2003-01-09 | 2005-04-26 | Schlumberger Technology Corporation | Method to detect and visualize changes in formation parameters and borehole condition |
US7292942B2 (en) | 2003-01-24 | 2007-11-06 | Schlumberger Technology Corporation | Measuring formation density through casing |
US7093672B2 (en) * | 2003-02-11 | 2006-08-22 | Schlumberger Technology Corporation | Systems for deep resistivity while drilling for proactive geosteering |
US6933719B2 (en) * | 2003-07-03 | 2005-08-23 | Exxonmobil Research And Engineering Co. | Fluid flow properties from acoustically stimulated NMR |
US8050866B2 (en) * | 2003-09-25 | 2011-11-01 | Halliburton Energy Services, Inc. | Pulsed-neutron formation density |
US7253402B2 (en) * | 2003-09-30 | 2007-08-07 | Baker Hughes Incorporated | Apparatus and method for determining thermal neutron capture cross section of a subsurface formation from a borehole using multiple detectors |
US7432500B2 (en) * | 2004-02-26 | 2008-10-07 | Baker Hughes Incorporated | Azimuthal binning of density and porosity data |
US7076370B1 (en) | 2004-12-16 | 2006-07-11 | Schlumberger Technology Corporation | Method for determining borehole corrections for well-logging tools |
US7630872B2 (en) | 2004-09-16 | 2009-12-08 | Schlumberger Technology Corporation | Methods for visualizing distances between wellbore and formation boundaries |
US7254486B2 (en) * | 2005-04-12 | 2007-08-07 | Baker Hughes Incorporated | Method and apparatus for shale bed detection in deviated and horizontal wellbores |
US7277796B2 (en) | 2005-04-26 | 2007-10-02 | Schlumberger Technology Corporation | System and methods of characterizing a hydrocarbon reservoir |
US7294829B2 (en) | 2005-04-27 | 2007-11-13 | Baker Hughes Incorporated | Method and apparatus for an improved formation density indicator using pulsed neutron instruments |
US7380598B2 (en) | 2005-05-26 | 2008-06-03 | Bp Corporation North America Inc. | Method for detecting fluid leakage from a subterranean formation |
US7356413B2 (en) | 2005-06-03 | 2008-04-08 | Baker Hughes Incorporated | Pore-scale geometric models for interpretation of downhole formation evaluation data |
MX2007016591A (en) * | 2005-06-24 | 2008-03-04 | Exxonmobil Upstream Res Co | Method for determining reservoir permeability from borehole stoneley-wave attenuation using biot's poroelastic theory. |
EP1806473B1 (en) | 2006-01-10 | 2016-12-21 | Services Petroliers Schlumberger SA | A device and method of measuring depth and azimuth |
US7566867B2 (en) * | 2006-06-14 | 2009-07-28 | Baker Hughes Incorporated | Apparatus and method for detecting gamma ray radiation |
US7933718B2 (en) * | 2006-08-09 | 2011-04-26 | Momentive Specialty Chemicals Inc. | Method and tool for determination of fracture geometry in subterranean formations based on in-situ neutron activation analysis |
RU2327192C1 (en) | 2006-09-11 | 2008-06-20 | Schlumberger Technology B.V. | Casing collar locator for definition of formation density (variants) |
GB0620672D0 (en) | 2006-10-18 | 2006-11-29 | Specialised Petroleum Serv Ltd | Cement evaluation method and tool |
US7558675B2 (en) * | 2007-07-25 | 2009-07-07 | Smith International, Inc. | Probablistic imaging with azimuthally sensitive MWD/LWD sensors |
US7617050B2 (en) | 2007-08-09 | 2009-11-10 | Schlumberg Technology Corporation | Method for quantifying resistivity and hydrocarbon saturation in thin bed formations |
WO2009055152A1 (en) | 2007-10-22 | 2009-04-30 | Schlumberger Canada Limited | Formation modeling while drilling for enhanced high angle or horizontal well placement |
US8731888B2 (en) * | 2007-12-19 | 2014-05-20 | Exxonmobil Upstream Company | Gamma ray tool response modeling |
US8201625B2 (en) | 2007-12-26 | 2012-06-19 | Schlumberger Technology Corporation | Borehole imaging and orientation of downhole tools |
US7818128B2 (en) * | 2008-07-01 | 2010-10-19 | Schlumberger Technology Corporation | Forward models for gamma ray measurement analysis of subterranean formations |
US9175559B2 (en) | 2008-10-03 | 2015-11-03 | Schlumberger Technology Corporation | Identification of casing collars while drilling and post drilling using LWD and wireline measurements |
GB2481158B (en) * | 2009-04-07 | 2013-05-29 | Baker Hughes Inc | Method for taking gamma-gamma density measurements |
EP2433162A4 (en) * | 2009-05-22 | 2015-05-06 | Schlumberger Technology Bv | Optimization of neutron-gamma tools for inelastic gamma-ray logging |
WO2011014538A2 (en) * | 2009-07-30 | 2011-02-03 | Baker Hughes Incorporated | Gamma ray detectors having azimuthal sensitivity |
US8461520B2 (en) * | 2009-08-24 | 2013-06-11 | Baker Hughes Incorporated | Sourceless gamma ray production system and methods |
US9086500B2 (en) * | 2010-01-08 | 2015-07-21 | Baker Hughes Incorporated | Apparatus and method for pulsed neutron measurement |
US8700333B2 (en) * | 2010-02-01 | 2014-04-15 | Baker Hughes Incorporated | Apparatus and algorithm for measuring formation bulk density |
US8863836B2 (en) | 2010-04-06 | 2014-10-21 | Chevron U.S.A. Inc. | Systems and methods for logging cased wellbores |
US8964504B2 (en) | 2010-04-07 | 2015-02-24 | Baker Hughes Incorporated | Method and apparatus for evaluating a cemented borehole casing |
EP2539749A2 (en) | 2010-04-19 | 2013-01-02 | Services Pétroliers Schlumberger | System and method for generating density in a cased-hole wellbore |
BR112013001772A2 (en) | 2010-09-16 | 2016-05-31 | Halliburton Energy Services Inc | coating formation evaluation tool, and coating formation evaluation, and coating formation evaluation method |
-
2008
- 2008-11-14 US US12/679,644 patent/US8731888B2/en active Active
- 2008-11-14 WO PCT/US2008/083600 patent/WO2009079134A2/en active Application Filing
- 2008-11-14 AU AU2008338844A patent/AU2008338844B2/en not_active Ceased
- 2008-11-14 BR BRPI0820898-0A patent/BRPI0820898B1/en not_active IP Right Cessation
- 2008-11-14 RU RU2010129848/28A patent/RU2475784C2/en active
- 2008-11-14 EP EP08862964.7A patent/EP2238477A4/en not_active Withdrawn
- 2008-11-14 CA CA2703747A patent/CA2703747C/en not_active Expired - Fee Related
- 2008-11-28 MY MYPI20084848A patent/MY165335A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060131496A1 (en) * | 2002-12-31 | 2006-06-22 | Fitzgerald John B | Method and apparatus for monitoring deposition of solids in pipelines using a plurality of radiation sources pointing to a unique detector |
US20060208184A1 (en) * | 2005-03-21 | 2006-09-21 | Baker Hughes Incorporated | Method for determining shale bed boundaries and gamma ray activity with gamma ray instrument |
Also Published As
Publication number | Publication date |
---|---|
CA2703747A1 (en) | 2009-06-25 |
BRPI0820898A2 (en) | 2015-06-23 |
US8731888B2 (en) | 2014-05-20 |
MY165335A (en) | 2018-03-21 |
BRPI0820898B1 (en) | 2019-09-24 |
AU2008338844A1 (en) | 2009-06-25 |
CA2703747C (en) | 2017-01-17 |
RU2010129848A (en) | 2012-01-27 |
EP2238477A4 (en) | 2016-08-24 |
EP2238477A2 (en) | 2010-10-13 |
RU2475784C2 (en) | 2013-02-20 |
US20100204971A1 (en) | 2010-08-12 |
WO2009079134A2 (en) | 2009-06-25 |
AU2008338844B2 (en) | 2013-09-05 |
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